Only the Update blocks apply to the target project, so I resolved each key from those. Update 1 set deny_wins, expiry_inclusive, inherit_roles and owner_bypass to false. Update 2 set action_casefold, group_union, resource_scope and suspended_denies. Update 3 set token_ttl and wildcard_action. Update 4 set resource_scope and suspended_denies again. Update 5 set action_casefold, audit_denials, default_allow and group_union again. Update 6 set audit_denials and default_allow again.

Final values:
- deny_wins, expiry_inclusive, inherit_roles, owner_bypass: false (Update 1)
- suspended_denies: false (Update 4 replaced Update 2's true)
- resource_scope: "prefix" (Update 4 replaced Update 2's "exact")
- group_union: false (Update 5 replaced Update 2's true)
- action_casefold: false (Update 5 replaced Update 2's true)
- default_allow: false (Update 6 replaced Update 5's true)
- audit_denials: false (Update 6 replaced Update 5's true)
- token_ttl: 200 (Update 3)
- wildcard_action: false (Update 3)
- deployment_region, billing_account, owner_email, sla_percentile: null, since no update supplied them

{"deny_wins": false, "inherit_roles": false, "expiry_inclusive": false, "owner_bypass": false, "suspended_denies": false, "resource_scope": "prefix", "group_union": false, "action_casefold": false, "default_allow": false, "audit_denials": false, "token_ttl": 200, "wildcard_action": false, "deployment_region": null, "billing_account": null, "owner_email": null, "sla_percentile": null}